Finding the Fourth Proportional to 3,810,852.66, 5,258,840.42 and 2,156,964.28
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Solution
The fourth proportional to 3,810,852.66, 5,258,840.42 and 2,156,964.28 is: 2,976,533.59
Step by Step Solution
- Step 1: Write the proportion equation
3,810,852.66 : 5,258,840.42 = 2,156,964.28 : x - Step 2: Convert to fraction form
3,810,852.66/5,258,840.42 = 2,156,964.28/x - Step 3: Cross multiply
3,810,852.66x = 5,258,840.42 × 2,156,964.28 - Step 4: Simplify right side
3,810,852.66x = 11,343,130,940,160.20 - Step 5: Solve for x
x = 11,343,130,940,160.20/3,810,852.66 - Step 6: Final answer
x = 2,976,533.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.